84276539 has 2 divisors, whose sum is σ = 84276540. Its totient is φ = 84276538.

The previous prime is 84276481. The next prime is 84276541. The reversal of 84276539 is 93567248.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84276539 - 2¹⁶ = 84211003 is a prime.

Together with 84276541, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84276539.

It is not a weakly prime, because it can be changed into another prime (84276559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42138269 + 42138270.

It is an arithmetic number, because the mean of its divisors is an integer number (42138270).

Almost surely, 2^84276539 is an apocalyptic number.

84276539 is a deficient number, since it is larger than the sum of its proper divisors (1).

84276539 is an equidigital number, since it uses as much as digits as its factorization.

84276539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 44.

The square root of 84276539 is about 9180.2254329619. The cubic root of 84276539 is about 438.4319859043.

The spelling of 84276539 in words is "eighty-four million, two hundred seventy-six thousand, five hundred thirty-nine".